collaborators

12 papers

cs.CL2026

Decouple Searching from Training: Scaling Data Mixing via Model Merging for Large Language Model Pre-training

Shengrui Li, Fei Zhao, Kaiyan Zhao +6

Determining an effective data mixture is a key factor in Large Language Model (LLM) pre-training, where models must balance general competence with proficiency on hard tasks such a…

cs.AI2026

GCAgent: Enhancing Group Chat Communication through Dialogue Agents System

Zijie Meng, Zheyong Xie, Zheyu Ye +5

As a key form in online social platforms, group chat is a popular space for interest exchange or problem-solving, but its effectiveness is often hindered by inactivity and manageme…

cs.CL2026

One Token Is Enough: Improving Diffusion Language Models with a Sink Token

Zihou Zhang, Zheyong Xie, Li Zhong +3

Diffusion Language Models (DLMs) have emerged as a compelling alternative to autoregressive approaches, enabling parallel text generation with competitive performance. Despite thes…

cs.CL2026

Balancing Understanding and Generation in Discrete Diffusion Models

Yue Liu, Yuzhong Zhao, Zheyong Xie +5

In discrete generative modeling, two dominant paradigms demonstrate divergent capabilities: Masked Diffusion Language Models (MDLM) excel at semantic understanding and zero-shot ge…

cs.CL2026

Benchmarking Machine Translation on Chinese Social Media Texts

Kaiyan Zhao, Zheyong Xie, Zhongtao Miao +3

The prevalence of rapidly evolving slang, neologisms, and highly stylized expressions in informal user-generated text, particularly on Chinese social media, poses significant chall…

cs.CL2026

EComStage: Stage-wise and Orientation-specific Benchmarking for Large Language Models in E-commerce

Kaiyan Zhao, Zijie Meng, Zheyong Xie +4

Large Language Model (LLM)-based agents are increasingly deployed in e-commerce applications to assist customer services in tasks such as product inquiries, recommendations, and or…